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Table 4 The herd sero prevalence for BVDV, the mean and median within herd BVDV sero prevalence, percentage of herds vaccinating for BVD, and the percentage of herds where a BVDV animal was disclosed

From: Prevalence of Bovine Viral Diarrhoea Virus (BVDV), Bovine Herpes Virus 1 (BHV 1), Leptospirosis and Neosporosis, and associated risk factors in 161 Irish beef herds

Region BVDV Herd Sero prevalence BVDV Within Herd Sero prevalence % BVD vaccination % herds with BVD virus positive calves
   Mean Median   
1 100 71.7 68 57.1 50
2 100 42.8 37.7 38.9 28
3 100 87.8 93.7 25.0 50
4 100 81 98.1 23.5 18
5 100 69.3 72.9 23.5 23
6 100 80.5 88.4 32.5 35
7 100 88.3 96 36.4 NA
Overall 100 77.7 85.2 32.3 34